rust/tests/ui/proc-macro/bad-projection.rs

20 lines
515 B
Rust

//@ force-host
//@ no-prefer-dynamic
#![crate_type = "proc-macro"]
#![allow(warnings)]
extern crate proc_macro;
trait Project {
type Assoc;
}
#[proc_macro]
pub fn uwu() -> <() as Project>::Assoc {}
//~^ ERROR the trait bound `(): Project` is not satisfied
//~| ERROR the trait bound `(): Project` is not satisfied
//~| ERROR the trait bound `(): Project` is not satisfied
//~| ERROR the trait bound `(): Project` is not satisfied
//~| ERROR function is expected to take 1 argument, but it takes 0 arguments